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WorksheetsGenetics
Total questions: 22
Worksheet time: 15mins
Name
Class
Date
1.
What did Mendel study in order to view genetics?
a)
Flowers
b)
Pea Plants
c)
Dogs
d)
People
2.
What are different forms of the gene for a particular trait?
a)
Purebred
b)
Hybrid
c)
Alleles
d)
Phenotype
3.
Traits that are controlled by genes located on sex cells are called...
a)
Recessive
b)
Sex-linked
c)
Y Chromosomes
4.
What is it called when 2 alleles for a trait are the same?
a)
Allele
b)
Cross
c)
Purebred
d)
Hybrid
5.
Why is it that Christians should believe that God created genetic disorders among His creation?
a)
He created them for His glory
b)
Because He wanted to
c)
To make people unique
6.
What is the study of inheritance?
a)
Phenotype
b)
Cardiology
c)
Anthropology
d)
Genetics
7.
The X-Chromosome is the ____ chromosome
a)
Titan
b)
Female
c)
Male
8.
True or False:
In order for a recessive gene to be expressed the offspring must have at least one allele for that recessive trait
In order for a recessive gene to be expressed the offspring must have at least one allele for that recessive trait
a)
True
b)
False
9.
What consists of four boxes that is used to represent genetic crosses?
a)
Four Square
b)
Punnett Square
c)
Tic Tac Toe
d)
Soduku
10.
A dominant allele can be represented by....
a)
A smiley face
b)
A star
c)
A capital letter
d)
A lowercase letter
11.
The boxes on the Punnett square represent....
a)
Number of Offspring
b)
% of possibilities
c)
IDK
12.
What is incomplete dominance?
a)
When no traits are given
b)
When the dominant trait takes over
c)
When 2 different alleles for the same trait are both expressed
13.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
14.
AA and Aa always show up as
a)
dominant
b)
recessive
15.
What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?
a)
0 in 4
b)
1 in 4
c)
2 in 4
d)
4 in 4
16.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
17.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
18.
In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any red-flowering plant resulting from this species?
a)
rr
b)
R
c)
RR
d)
RR or Rr
19.
Aa is
a)
homozygous
b)
heterozygous
20.
T - tall and t = short
In the punnett square below, what belongs in the missing square
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
21.
Which of the following is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
22.
Which of the following is homozygous dominant?
a)
Yy
b)
Y
c)
yy
d)
YY
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